US3024138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cleaning
Assignee: Curtiss Wright Corp
•
Filing: 1959-09-30
•
Granted: 1962-03-06
•
Expires: 1979-09-30
Abstract
No abstract record available.
Inventors
- 👤 Heinz H Schlott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:00
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A METHOD FOR CLEANING OBJECTS WHICH COMPRISES IMMERSING SAID OBJECTS IN A FLOWING CLEANING LIQUID IN A CLEANING ZONE; SUBJECTING SAID OBJECTS TO ULTRASONIC VIBRATIONS FOR A DEFINITE TIME INTERVAL WHILE IMMERSED IN A CLEANING LIQUID FLOWING AROUND SAID OBJECTS; INCREASING THE RATE OF FLOW OF SAID CLEANING LIQUID AND DISCONTINUING THE ULTRASONIC VIBRATION TO FLUSH SAID OBJECTS FREE OF THE ULTRASONICALLY LOOSENED CONTAMINATION; AND SPRAY RINSING SAID OBJECTS WHILE DRAINING SAID CLEANING LIQUID FROM THE CLEANING ZONE.
Claim 2
Independent Claim
78 words
A METHOD FOR CLEANING OBJECTS WHICH COMPRISES IMMERSING SAID OBJECTS IN A FLOWING CLEANING LIQUID IN A CLEANING ZONE; SUBJECTING SAID OBJECTS TO ULTRASONIC VIBRATIONS FOR A DEFINITE TIME INTERVAL WHILE IMMERSED IN A CLEANING LIQUID FLOWING AROUND SAID OBJECTS; INCREASING THE RATE OF FLOW OF SAID CLEANING LIQUID AND DISCONTINUING THE ULTRASONIC VIBRATION TO FLUSH SAID OBJECTS FREE OF THE ULTRASONICALLY LOOSENED CONTAMINATION; AND SPRAY RINSING SAID OBJECTS WHILE DRAINING SAID CLEANING LIQUID FROM THE CLEANING ZONE.
References Cited (Backward Citations)
US847495A
Cited
US1299698A
Cited
US1508828A
Cited
US1545979A
Cited
US1988223A
Cited
GB548960A
Cited
US2342995A
Cited
US2471506A
Cited
US2641270A
Cited
US2576236A
Cited
US2703093A
Cited
US2860646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |